Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10652650 | Loudspeaker with reduced audio coloration caused by reflections from a surface | Martin E. Johnson, Simon K. Porter, John H. Sheerin | 2020-05-12 |
| 10623864 | Audio speaker surround geometry for improved pistonic motion | Pablo Seoane Vieites, Christopher Wilk, Alexander V. Salvatti, Oliver Leonhardt, Scott P. Porter | 2020-04-14 |